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Chrome Oxide Green 1308-38-9 Cr2O3
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Chromium oxide Basic information |
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Product Name: | Chromium oxide |
Synonyms: |
C. I. Pigment Green 17 (77288);Chromium Hemitrioxide;CHROMIUM(III) OXIDE, 99%, AMORPHOUS POWDER;Chromium(Ⅲ) oxide;Chromium(III) oxide, Puratronic (metals basis); Chromium(III) oxide (99.995%-Cr) PURATREM;Chromium(III) oxide fused;ChroMiuM(III) oxide, aMorphous powder, 99% 500GR |
CAS: | 1308-38-9 |
MF: | Cr2O3 |
MW: | 151.99 |
EINECS: | 215-160-9 |
Product Categories: |
metal oxide;dyestuff metal chrome;Inorganic chemistry;Dyes and Pigments; INORGANIC & ORGANIC CHEMICALS;Inorganics |
Chromium oxide Chemical Properties | |
Melting point | 2435 °C |
Boiling point | 4000 °C |
density | 5.21 |
Fp | 3000°C |
form | powder |
color | Pale to dark green |
Chromium oxide Spec.:
Items | Specification | |||||
Pigment Grade | Griding Grade | |||||
premium grade | first grade | salable product | premium grade | first grade | salable product | |
Cr2O3 % ≥ | 99.0 | 98.0 | 97.0 | 99.0 | 98.0 | 97.0 |
Moisture % ≤ | 0.15 | 0.30 | 0.50 | 0.15 | 0.30 | 0.50 |
Water soluble matter % ≤ | 0.1 | 0.4 | 0.7 | 0.2 | 0.4 | 0.7 |
PH value | 6-8 | 5-8 | ----- | |||
Oil absorption | 15-25g/100g | ≤ 20g/100g | 25g/100g | |||
Residue (45um) % ≤ | 0.1 | 0.3 | 0.5 | 0.3 | 0.5 | 75um 0.5 |
Product Character
Chemical Formula: Cr2O3, Molecular Weight 151.99.
CAS No: 1308-38-9
Dark Green Hexagonal Crystal Or Amorphous Olive-Green Powder With Metallic Sheen.
Specific Gravity: 5.21g/Cm3, Mons' Hardness: 8.5-9, Melting Point: 2226±25℃.
Insoluble In Water Or Acid. Soluble In Hot Alkali Metal Bromate Solution. Extremely Stable Against Light, Air, High Temperature And Corrosive Gases. High Covering Power.
Application
Chromic Oxide Green Is Mainly Used In Four Field: Metallurgy;Refractory Matter;Pigment(Ceramic, Paint Etc.);Grinding Materials. Abrasive Raw Material. Also Can Be Used In The New Field Of Surface Melt Blowing Of The Metal And Ceramic; Leather Pigment, Building Raw material colorant, Producing Chromium Compounds( Carbon,Nitrogen Etc.)
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